Q235B Mild Steel Hollow Section
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Q235B Mild Steel Hollow Section

Qingdao Wanrunda Imp and Exp Co.,ltd mainly export Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Stainless steel tube; Galvanized steel coil; Stainless steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc
Q235B Mild Steel Hollow Section

Product introduction:
Commodity: Big size square steel hollow section
Dimension: 500x500x20mm
Wall thickness: 20mm
Length: 12meters( normal length6000mm, accept fixed length)
Material: Q345/16Mn/St52
Surface treatment: Anti-rust Oiled surface,Black surface
Thickness tolerance: +/- 0.25mm
OD. Tolerance: +/- 0.25mm
Technique: Hot rolled
Application: construction,Steel structure, Road sign,Steel frame,light industry,
automobile industry,fluid pipe,Hydraulic pipe, agriculture, etc.
Package: Surface to be oiled, bulk packing
Payment term: T/T or L/C at sight
Delivery time: within 15-20days after receiving the deposit
Remark: Special spec is available
Q235B Mild Steel Hollow Section

Q235B Mild Steel Hollow Section
Welded Carbon Steel Tube/Pipe

* Standard: GB/T 3091-2008,ASTM A53-2007, ASTM 500, BS1387 etc
* Grade: Q195/Q235A/Q235B/Q345B/ASTM A36/ASTM A53/SS400/X42/X52 etc
* OD: OD21.5mm to OD508mm / 20X20-600X600mm / 20X30-400X600mm
* WT: 0.8-26mm
* Length: 4m-12m
* Ends Finish: Plain end, bevel end
* Surface Treatment: Bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating
* Technique: Hot rolled or cold rolled , ERW or SAW welded steel tube
* Invoicing: Based on theoretical weight or actual weight
* Payment Terms: L/C at sight, T/T or Western Union
* Trade Terms: FOB/CFR/CIF
* Certification: SGS,ISO, API 5CT, API 5L, DNV, ISO9001
Q235B Mild Steel Hollow Section
Welded steel pipe application:
For liquid transportation- water supply/water drain;
For gas transportation- sewerage gas/liquefied petroleum gas ;
For structure-As piling steel pipe/bridge structure/road structure etc.

Normal Product Dimensions:
Square(GB/T6728-2002,GB/T6725-2002,JIS 3466,EN10219,ASTM A500)
20*20*(1.2-2)mm 140*140*(4-10)mm
30*30*(1.5-3)mm 150*150*(4-10)mm
40*40*(1.5-4)mm 160*160*(4-10)mm
50*50*(1.5-4.5)mm 180*180*(4-12)mm
60*60*(2-5)mm 200*200*(4-14)mm
70*70*(2.5-5)mm 220*220*(5-14)mm
80*80*(2.5-6)mm 250*250*(5-14)mm
90*90*(3-7)mm 300*300*(6-14)mm
100*100*(4-8)mm 300*300*(6-14)mm
120*120*(4-8)mm 400*400*(8-14)mm
130*130*(4-10)mm 600*600*(10-40)mm
135*135*(4-10)mm 800*800*(10-46)mm

Rectangular(GB/T6728-2002 GB/T6725-2002)
30*20*(1.5-2.5)mm 150*100*(4-8)mm
40*20*(1.5-3)mm 160*80*(4-8)mm
40*25*(1.5-3)mm 180*100*(4-10)mm
40*30*(1.5-3)mm 200*120*(4-10)mm
50*25*(1.5-3)mm 200*150*(4-10)mm
50*30*(1.5-4)mm 220*140*(4-12)mm
60*30*(2-4)mm 250*150*(4-12)mm
60*40*(2-4)mm 250*150*(4-12)mm
70*50*(2-5)mm 300*200*(5-14)mm
80*40*(2-5)mm 350*250*(6-14)mm
80*60*(3-5)mm 400*200*(6-14)mm
90*50*(3-5)mm 400*250*(6-14)mm
100*50*(3-5)mm 400*300*(8-14)mm
120*60*(3-6)mm 450*250*(8-14)mm
120*80*(3-6)mm 500*300*(8-14)mm
140*80*(4-7)mm 600*400*(12-36)mm


Contact Us

EMAIL: paul0158@126.com / tube.pipe.cn@gmail.com
TEL:  +86 532 87202897
MOB: +86 135 89230826
FAX:  +86 532 87202897
No.31 Bozhou Road, Jiaozhou,Qingdao,China

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